CBSE Class 9 Maths The Mathematics of Maybe: Introduction to Probability (Class 9 NCERT New) Quiz 1

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CBSE › Class 9 › Maths › The Mathematics of Maybe: Introduction to Probability (Class 9 NCERT New)

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1. Which of the following is an experiment?

A Tossing a coin B Rolling a single 6-sided die C Choosing a marble from a jar D All of the above

2. Which of the following is an outcome?

A Rolling a pair of dice B Landing on red C Choosing 2 marbles from a jar D None of the above

3. Which of the following experiments does NOT have equally likely outcomes?

A Choose a number at random from 1 to 7 B Toss a coin C Choose a letter at random from the word SCHOOL D None of the above

4. What is the probability of choosing a vowel from the alphabet?

A 21/26 B 5/26 C 1/21 D none of the above

5. A number from 1 to 11 is chosen at random. What is the probability of choosing an odd number?

A 1/11 B 5/11 C 6/11 D none of the above

6. The sum of all probabilities equal to ?

A 4 B 1 C 3 D 2

7. The probability of drawing an ace card from a deck of cards is ?

A 1/52 B 1/26 C 4/13 D 1/13

8. A dice is thrown. The probability of getting 1 and 5 is ?

A 1/6 B 2/3 C 1/3 D 1/2

9. What is the probability of impossible events?

A 1 B 0 C more than 1 D less than 1

10. There are 4 green and 2 red balls in a basket. What is the probability of getting the red balls?

A 1/2 B 1/3 C 1/5 D 1/6

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